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On-Vehicle Service: Bleeding

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: At low temperature the fluid viscosity is so high that air bleeding becomes degenerated. Air bleeding should be done at normal temperatures {10 to 30°C (50 to 86°F)}.
  1. Raise the vehicle.
  2. Remove the engine room under cover front B assembly. (Refer to UNDER COVER .)
  3. Remove the bleeder screw cap of the transfer, then connect the vinyl hose.
    CAUTION: Before connecting or disconnecting scan tool, always turn the ignition switch to the LOCK (OFF) position.
    Fig 1: Identifying Engine Oil Pan And Bleeder Screw
    G05393895Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. Connect scan tool to the data link connector.(Refer to PRECAUTIONS FOR DIAGNOSIS  .)
  5. Position the steering wheel in a straight ahead direction.
  6. Turn the ignition switch to the "ON" position.
  7. Perform the actuator test (item No. 01) of scan tool to forcibly activate the hydraulic unit.
    NOTE:
    • The forced activation (item No. 01: Air bleeding mode) is continued for 5 minutes, then it will be canceled automatically. Also, using the clear key on the scan tool, the activation can be forcibly canceled.
    • When the hydraulic unit functions are stopped due to the fail-safe, the forced activation cannot be performed.
  8. From the straight-ahead position, gradually rotate the steering wheel to the right or left. Loosen the bleeder screw, and check that the air is bled with fluid.
    CAUTION:
    • During the air bleeding, fill the fluid so that the fluid constantly remains in the oil reservoir.
    • When the oil is filled into the empty oil reservoir, check that the oil is filled up under the filter inside the oil reservoir.
  9. After bleeding the air, tighten the bleeder screw.
  10. Repeat Steps  7 and  8 for two to three times. After checking that air mixing is eliminated, tighten the bleeder screw to the specified torque.

    Tightening torque: 5.0 ± 1.0 N.m (44 ± 9 in-lb) 

    CAUTION: If the air bleeding is insufficient, the noise from the hydraulic unit occurs, which may deteriorate the pump durability.
  11. After the air bleeding is complete, check the fluid level.(Refer to ON-VEHICLE SERVICE .)
  12. Install the engine room under cover front B assembly. (Refer to UNDER COVER .)
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